Salesforce Certified Platform Developer I practice exam

The Salesforce Platform Developer I credential is intended for individuals who have knowledge, skills, and experience in building custom applications on the Lightning Platform. 

Taking the first steps towards becoming a Salesforce Certified Platform Developer I (PD I) can be a significant milestone in your career as a Salesforce professional. This certification can open a myriad of career opportunities, augmenting your professional standing within the Salesforce community. The following guide will provide you with a broad understanding of the Salesforce Platform Developer I certification, its exam pattern, and resources such as practice exams that can help you prepare effectively for the certification exam.

Salesforce Platform Developer I Certification Practice Exam – Key Facts

  • 60 multiple-choice questions
  • 105 minutes to complete the exam
  • 68% score to pass (41 good answers)
  • 200 USD registration fee (plus applicable taxes)
  • 100 USD retake fee (plus applicable taxes)
  • No prerequisite
  • Proctored exam delivered onsite a a testing center or in an online proctored environment
  • No hard-copy or online materials may be referenced during the exam.
Salesforce Certified Platform Developer I practice exam

Salesforce Platform Developer I

The Salesforce Platform Developer I certification is targeted at individuals with knowledge, skills, and experience in building custom declarative and programmatic applications on the Salesforce platform. This certification emphasizes the candidate’s ability to design data models, business logic, and secure, user-friendly applications.

Here are the key domains covered in the Salesforce Platform Developer I certification:

  • Salesforce Fundamentals
  • Data Modeling and Management
  • Logic and Process Automation
  • User Interface
  • Testing
  • Debug and Deployment Tools

Acquiring a Salesforce Platform Developer I certification validates your expertise in these areas and demonstrates your ability to build custom applications on the Salesforce platform using the programming languages Apex and Visualforce, along with leveraging the various capabilities of the platform.

Salesforce Platform Developer I exam sections

Below are all the sections, which will be tested during the exam.

A candidate should have a hands-on experience and deep understanding of the following areas.

Developer Fundamentals: 23%

  • Understand multi-tenant concepts and design frameworks, such as MVC architecture and Lightning Component Framework.
  • Given a scenario, identify common use cases and best practices for declarative versus programmatic customizations, including governor limits, formula fields, and roll-up summaries.
  • Given a scenario, determine, create, and access the appropriate data model including objects, fields, relationships, and external IDs.
  • Given a scenario, identify the options and considerations when importing and exporting data into development environments.

Process Automation and Logic: 30%

  • Identify the capabilities of the declarative process automation features.
  • Declare variables, constants, methods, and use modifiers and Apex interfaces.
  • Given a scenario, use and apply Apex control flow statements.
  • Given a scenario, write SOSL, SOQL, and DML statements in Apex.
  • Given a scenario, follow best practices to write Apex classes and triggers.
  • Given a scenario, identify the implications of governor limits on Apex transactions.
  • Describe the relationship between Apex transactions, the save order of execution, and the potential for recursion and/or cascading.
  • Implement exception handling in Apex, including custom exceptions as needed.
  • Given a scenario, use declarative functionality and Apex together to automate business logic.

User Interface: 25%

  • Given a scenario, display content or modify Salesforce data using a Visualforce page and the appropriate controllers or extensions as needed.
  • Describe the Lightning Component framework, its benefits, and the types of content that can be contained in a Lightning web component.
  • Given a scenario, prevent user interface and data access security vulnerabilities. Given a scenario, display and use a custom user interface components, including Lightning Components, Flow, and Visualforce.
  • Describe the use cases for Lightning Web Component events.
  • Given a scenario, implement Apex to work with various types of page components, including Lightning Components, Flow, Next Best Actions, etc.

Testing, Debugging, and Deployment: 22%

  • Write and execute tests for triggers, controllers, classes, flows, and processes using various sources of test data.
  • Given a scenario, know how and when to use the Salesforce Developer tools such as Salesforce DX, Salesforce CLI, and Developer Console.
  • Describe how to approach debugging system issues and monitoring flows, processes, and asynchronous and batch jobs, etc.
  • Describe the environments, requirements, and process for deploying code and associated configurations.

For the reference: Check Salesforce official Exam Guide.

Salesforce Platform Developer I (1) – Practice Mock Exam

One of the most effective ways to prepare for the Salesforce Platform Developer I certification exam is through practice exams. These practice tests not only give you a clear understanding of the exam pattern and question types but also provide a measure of your preparedness for the actual exam.

The Salesforce Certified Platform Developer I (1) Practice Exam includes a range of questions, designed to test your understanding and application of Salesforce development concepts in various scenarios. The questions are based on real-life situations you may encounter as a Salesforce Developer, such as:

  • Writing and testing Apex and Visualforce code
  • Creating and modifying objects and fields
  • Implementing business processes through workflows and process builders
  • Troubleshooting and debugging applications

Regular practice with these exams can help you familiarize yourself with the exam pattern and time management during the test. Moreover, it allows you to identify areas where you may need further study or practice, thereby enabling you to tailor your preparation strategy accordingly.

Importance of Practice Exams in Preparation Strategy

Practice exams play a critical role in your preparation strategy. They not only test your knowledge and understanding of Salesforce development concepts but also simulate the conditions of the actual certification exam. This can significantly enhance your confidence and reduce anxiety on the day of the exam.

Moreover, practice exams also help in reinforcing your understanding of complex concepts, making you more proficient in the application of theoretical knowledge in practical scenarios.

What’s included?

  • 120 questions, covering all certification areas
  • Detailed explanation of each question
  • Real-a-like exam environment to test your knowledge
  • References to official Salesforce materials

Salesforce Platform Developer I (1) Exam Questions

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Learn Salesforce Platform Developer I

Beyond practice exams, Salesforce provides numerous development resources to help you better understand and apply development concepts. Salesforce’s Trailhead, a free online learning platform, offers a wide variety of modules and projects that can assist you in gaining practical experience.

From basics like understanding the Salesforce architecture to more advanced topics such as Apex programming, Visualforce page development, and Lightning Web Components, Trailhead can be a treasure trove of knowledge. Dedicating time to work through relevant trails and hands-on challenges will undoubtedly enhance your practical skills and prepare you for the certification exam.

Joining Salesforce Developer Communities

Engaging with Salesforce Developer Communities can provide added benefits throughout your certification journey. These communities are vibrant platforms where Salesforce professionals worldwide share insights, discuss problems, and provide solutions. They can be invaluable resources for tips on tackling the certification exam, staying up-to-date with Salesforce updates, and resolving complex technical issues.

Participation in community events, such as webinars, meetups, and developer conferences, can also be immensely beneficial. These events can provide insight into the latest trends in Salesforce development, allowing you to stay ahead of the curve and apply the most up-to-date practices in your work.

The Power of Persistence

Attaining the Salesforce Platform Developer I certification can be a challenging journey, but with persistence and consistent effort, it’s absolutely achievable. There may be instances where concepts seem complicated or difficult to grasp. When faced with such situations, it’s essential to remain patient, take a step back, and try to approach the problem from a different angle. Remember, every challenge is an opportunity to learn and grow.

Even with practice exams, you may not always score as well as you’d like at the outset. Instead of getting disheartened, use these results as indicators of areas needing more focus. With continuous practice and constructive application of feedback, your scores will improve over time, building your confidence for the actual exam.


The Salesforce Certified Platform Developer I certification can significantly enhance your credibility as a Salesforce professional, opening the door to numerous career advancement opportunities. By integrating resources such as the Salesforce Certified Platform Developer I (1) Practice Exam into your preparation strategy, you can ensure a comprehensive understanding of Salesforce development concepts and increase your chances of acing the certification exam. Remember, consistency in practice and a firm grasp of the Salesforce platform’s capabilities are the key to a successful certification journey.

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